Home / 22,462.56-31,001.20-18,679.22

Finding the Fourth Proportional to 22,462.56, 31,001.20 and 18,679.22

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Solution

The fourth proportional to 22,462.56, 31,001.20 and 18,679.22 is: 25,779.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,462.56 : 31,001.20 = 18,679.22 : x
  2. Step 2: Convert to fraction form
    22,462.56/31,001.20 = 18,679.22/x
  3. Step 3: Cross multiply
    22,462.56x = 31,001.20 × 18,679.22
  4. Step 4: Simplify right side
    22,462.56x = 579,078,235.06
  5. Step 5: Solve for x
    x = 579,078,235.06/22,462.56
  6. Step 6: Final answer
    x = 25,779.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.